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impervious adjective

  /ɪmˈpɜːvi.əs/ , /ɪmˈpɝ.vi.əs/
  • Preventive of any penetration; impenetrable, impermeable, particularly of water.
impermeabile

imperviable adjective

  • impervious
impermeabile

imperviousness noun

  • The ability to prevent any penetration.
inaccessibilità
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